Christopher Tatnall sold $175k of ACLS
EVP Global Customer Operations at AXCELIS TECHNOLOGIES INC. 1,166 shares at an average of $149.75, traded May 20, 2026, filed May 21, 2026.
Score components
- +15RoleOfficer
- +11Trade size$175k at market
- 0Share of holdings soldSold 4.0% of holdings
- +15Cluster13 insiders selling within 14 days
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001990732-26-000008, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| May 20, 2026 | SOpen-market sale Common Stock | -1,166 | $149.75 | $175k | 27,627 | May 21, 2026 |
Related signals
Other insiders at AXCELIS TECHNOLOGIES INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 48Moderate | AXCELIS TECHNOLOGIES INC | Necip Sayiner director | $250k 1,586 shares | -18% | |
| 42Moderate | AXCELIS TECHNOLOGIES INC | Robert John Mahoney EVP Global Operations | $179k 1,155 shares | -7% | |
| 49Moderate | AXCELIS TECHNOLOGIES INC | Todd Sutton VP Corporate Controller | $320k 2,000 shares | -24% | |
| 41Moderate | AXCELIS TECHNOLOGIES INC | Thomas St Dennis director | $140k 900 shares | -5% | |
| 41Moderate | AXCELIS TECHNOLOGIES INC | Eileen Evans EVP, General Counsel and Sec'y | $144k 926 shares | -3% | |
| 42Moderate | AXCELIS TECHNOLOGIES INC | Gerald M Blumenstock EVP, Research, Dev. & Eng. | $177k 1,161 shares | -5% | |
| 48Moderate | AXCELIS TECHNOLOGIES INC | John T Kurtzweil director | $486k 3,500 shares | -10% | |
| 57Moderate | AXCELIS TECHNOLOGIES INC | Gregory B Graves director | $457k 3,225 shares | -37% | |
| 48Moderate | AXCELIS TECHNOLOGIES INC | Jeanne Quirk director | $251k 1,789 shares | -14% | |
| 41Moderate | AXCELIS TECHNOLOGIES INC | Gerald M Blumenstock EVP, Research, Dev. & Eng. | $165k 1,015 shares | -6% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.